<template>
  <div style="display: flex;">
    <div :style="{width: (isCollapsed ? '64px' : '208px')}">
      <el-menu background-color="#3c82f5" style="width: 100%; height: 100vh;" text-color="#fff"
      active-text-color="#ff0" :collapse="isCollapsed" unique-opened :collapse-transition="false" router>
        <el-row style="padding-top: 10px;">
          <el-col :span="2"></el-col>
          <el-col :span="7" style="padding-left: 7px;">
            <el-avatar src="imgs/admin/logo.png" style="height: 35px; width: 35px;"></el-avatar>
          </el-col>
          <el-col :span="isCollapsed ? 0 : 13">
            <span style="color: #fff; font-weight: bold; position: relative; top: 8px;left: 2px;">智慧车辆</span>
          </el-col>
        </el-row>
        <el-sub-menu index="1">
          <template #title>
            <el-icon style="font-size: 21px;"><User/></el-icon><span>用户管理</span>
          </template>
          <el-menu-item index="/user">用户列表</el-menu-item>
        </el-sub-menu>
        <el-sub-menu index="2">
          <template #title>
            <el-icon style="font-size: 21px;"><Van/></el-icon><span>车辆管理</span>
          </template>
          <el-menu-item index="/vehicle">车辆列表</el-menu-item>
        </el-sub-menu>
        <el-sub-menu index="3">
          <template #title>
            <el-icon style="font-size: 21px;"><Location/></el-icon><span>电子围栏</span>
          </template>
          <el-menu-item index="/geofence">围栏列表</el-menu-item>
        </el-sub-menu>
        <el-sub-menu index="4">
          <template #title>
            <el-icon style="font-size: 21px;"><Place/></el-icon><span>调度管理</span>
          </template>
          <el-menu-item index="/application">申请列表</el-menu-item>
          <el-menu-item index="/audit">调度审核</el-menu-item>
          <el-menu-item index="/distribute">车辆分配</el-menu-item>
        </el-sub-menu>
        <el-sub-menu index="5">
          <template #title>
            <el-icon style="font-size: 21px;"><MessageBox/></el-icon><span>数据字典</span>
          </template>
          <el-menu-item index="/dict">字典列表</el-menu-item>
        </el-sub-menu>
      </el-menu>
    </div>
    <div :style="{width: (isCollapsed ? 'calc(100% - 64px)' : 'calc(100% - 208px)')}">
      <el-header style="height:13vh; background-color: #C9E8D8; padding-top: 22px;">
        <el-row :gutter="10">
            <el-col :span="18">
              <el-icon style="font-size: 20px;" @click="changeCollapse"><Expand/></el-icon>
            </el-col>
            <el-col :span="6" style="position: relative;">
              <el-dropdown trigger="click" style="position: absolute; right: 20px;">
                <span style="font-size: 19px; font-weight: bold;">{{user.username}}<el-icon><arrow-down/></el-icon></span>
                <template #dropdown>
                  <el-dropdown-menu>
                    <el-dropdown-item @click="logout">退出登录</el-dropdown-item>
                  </el-dropdown-menu>
                </template>
              </el-dropdown>
            </el-col>
        </el-row>
        <el-breadcrumb separator="/" style="position: relative; top: 20px;">
            <el-breadcrumb-item>首页</el-breadcrumb-item>
            <el-breadcrumb-item v-for="item in breadcrumb">{{item}}</el-breadcrumb-item>
        </el-breadcrumb>
      </el-header>
      <el-main style="height: 87vh; padding: 0; overflow-y: auto;">
        <router-view />
      </el-main>
    </div>
  </div>
</template>

<script setup>
import { onMounted, ref } from 'vue';
import { useRoute, useRouter } from 'vue-router';

const isCollapsed = ref(false);
const changeCollapse = () => {
  isCollapsed.value = !isCollapsed.value;
};
const user = ref(getUser());
const logout = () => {
  if(confirm('确定要退出吗？')){
    localStorage.removeItem('user');
    window.location.href='/login';
    user.value = '';
  }
};
let map = {
  '/user': ['用户管理','用户列表'],
  '/vehicle': ['车辆管理','车辆列表'],
  '/geofence': ['电子围栏','围栏列表'],
  '/application': ['调度管理','申请列表'],
  '/audit': ['调度管理','调度审核'],
  '/distribute': ['调度管理','车辆分配'],
  '/dict': ['数据字典','字典列表'],
  '/geofenceMap':['电子围栏','围栏绘制']
}
const breadcrumb = ref([]);
const route = useRoute();
const updateBreadcrumb = (route) => {
  breadcrumb.value = map[route.path];
};
onMounted(() => {
  updateBreadcrumb(route);
});
const router = useRouter();
router.beforeEach((to, from, next) => {
  updateBreadcrumb(to);
  next();
});

</script>